Interactions between metals and soil organic matter in various particle size fractions of soil contaminated with waste water.

Quenea, Katell
Lamy, Isabelle
Winterton, Peter
Bermond, Alain
Dumat, Camille

Publication date

January 2009

Publisher

Elsevier BV

Abstract

Only scarce field studies concern the consequences of natural soil organic matter (SOM) and metal interactions on SOM dynamics in soils. We investigated the interactions of four metals (Pb, Zn, Cu and Cd) with the SOM associated to five different size fractions (between 2000 µm and <2 µm) of a sandy top soil contaminated by waste water. Metal, organic carbon and nitrogen concentrations were measured and chemical extractions (with Na4P2O7 and EDTA) were also performed to assess the variations of SOM-metal interactions irrespective of the size fraction. In addition, as in that selected contaminated site, maize (C4 plant), replaced C3 crops 15 years ago, natural isotopic 13C labelling gave new insights into SOM turnover. First, the results sug...

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Interactions between metals and soil organic matter in various particle size fractions of soil contaminated with waste water.

Abstract

Extracted data

Interactions between metals and soil organic matter in various particle size fractions of soil contaminated with waste water.

Abstract

Extracted data

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